Air conditioner



FIG. 1 is a front perspective view of an air conditioner showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a partially enlarged front view, taken from FIG. 2; and,

FIG. 9 is a partially enlarged bottom view, taken from FIG. 7.

The broken lines in the figures show portions of the air conditioner which form no part of the claimed design.

The dot-dash broken line circles in FIGS. 2, 7, 8, and 9 are included to show enlarged views only and form no part of the claimed design. 

CLAIM The ornamental design for an air conditioner, as shown and described. 